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01-23-2017, 08:18 PM
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#46 | |
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AF - Advisor
 
Join Date: Mar 2004
Location: Nashville, Tennessee
Posts: 2,919
Thanks: 112
Thanked 41 Times in 39 Posts
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Re: 2002 Dodge Ram--P1491 fault code
Thanks for sharing!
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away"  "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14  Time to turn so's you don't burn. 
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10-09-2019, 01:58 PM
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#47 | |
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AF Newbie
Join Date: Oct 2019
Location: Bakersfield, California
Posts: 1
Thanks: 0
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Re: 2002 Dodge Ram--P1491 fault code
I bought 02 Dodge Ram 1500 5.9 code 1491 keeps coming back fuse 39 not blown I’ve replaced relay and removed code. As soon as I turn ac on it triggers the check engine light back on. The ac fan will only kick on if I remove fuse 39 and put it back in but the ac has to running when I do so. The minute I shut the truck off I have to repeat the process to get the fan to blow. I’ve tried to reset the code and not run the ac to reset the drive cycle but light came back on twice at around 80-85 miles into it. Any ideas what I could do next. Any help would be appreciated thanks
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